21497870

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{151}}^1\times {\mathrm{619}}^1$

素因数の和:800

約数の個数: 32

約数和(自身を含む): 40711680

約数和(自身を除く): 19213810

約数列:

[1, 2, 5, 10, 23, 46, 115, 151, 230, 302, 619, 755, 1238, 1510, 3095, 3473, 6190, 6946, 14237, 17365, 28474, 34730, 71185, 93469, 142370, 186938, 467345, 934690, 2149787, 4299574, 10748935, 21497870]

約数ペア:

[(1, 21497870), (2, 10748935), (5, 4299574), (10, 2149787), (23, 934690), (46, 467345), (115, 186938), (151, 142370), (230, 93469), (302, 71185), (619, 34730), (755, 28474), (1238, 17365), (1510, 14237), (3095, 6946), (3473, 6190)]